(2000). Instructional Practices. U.S. Department of Education.
Citazione stile Chigago Style (17a edizione)Instructional Practices. U.S. Department of Education, 2000.
Citatione MLA (9a ed.)Instructional Practices. U.S. Department of Education, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.